Question

a soma de dois numero e 114,e o maior e igual ao dobro do menor.quais sao esses numeros?

Answer 1

x+y=114
x=2y

substituindo
2y+y=114
3y=114
y=114/3
y=38

x+y=114
x+38=114
x=114-38
x=76
solucao{76, 38}

Answer 2

$\Large\boxed{\begin{array}{l} \begin{cases} x + y = 114 \\ x = 2y\end{cases} \\ \\2y + y = 114 \\ \\ \boxed{ \boxed{y = 38}} \\ \\ x = 2 \times 38 \\ \\ \boxed{ \boxed{x = 76}} \\ \\ \boxed{ \boxed{ \boxed{ \rm{38 \: e \: 76}}}} \checkmark\end{array}}$